[digikam] [Bug 319731] New: digikam crashes when trying to decode Panasonic Raw (.rw2)

[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=319731

--- Comment #18 from Gilles Caulier <[hidden email]> ---
Alex,

Comment #7 is true for one Exposure Correction settings :

- Shift (linear) work as expected
==> raw.imgdata.params.exp_shift
==> Range : [0.5 - 3.0]
==> Default : 1.0

- Highlight (E.V) : do nothing
==> raw.imgdata.params.exp_preser
==> Range : [0.0 - 1.0]
==> Default : 0.0

Both settings in GUI can be adjusted at the same time. This is right ? It's not
an exclusive settings as shift OR highlight, not both at the same time ?

I can reproduce the dysfunction for CR2 and RW2

Gilles

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[Alex Tutubalin]

https://bugs.kde.org/show_bug.cgi?id=319731

--- Comment #19 from Alex Tutubalin <[hidden email]> ---
Created attachment 80062
  --> https://bugs.kde.org/attachment.cgi?id=80062&action=edit
P1040105.RW2 with exp_corr = 8.0 and exp_preser = 0.0

P1040105.RW2 with exp_corr = 8.0 and exp_preser = 0.0

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[Alex Tutubalin]

https://bugs.kde.org/show_bug.cgi?id=319731

--- Comment #20 from Alex Tutubalin <[hidden email]> ---
Created attachment 80063
  --> https://bugs.kde.org/attachment.cgi?id=80063&action=edit
P1040105.RW2 with exp_corr = 8.0 and exp_preser = 1.0

P1040105.RW2 with exp_corr = 8.0 and exp_preser = 1.0

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[Alex Tutubalin]

https://bugs.kde.org/show_bug.cgi?id=319731

--- Comment #21 from Alex Tutubalin <[hidden email]> ---
exp_shift is in range 0.25 (-2EV) .. 8.0 (+3EV).

exp_preser sets highlights compression level for exp_shift > 1.0 (it do nothing
with negative correction).

See attachments above.  The first one is +3EV (exp_shift=8.0) without
highlights compression, the second one is same +3EV but with full highlights
preservation.

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=319731

--- Comment #22 from Gilles Caulier <[hidden email]> ---
Git commit fe048577c7032378ae797ae3ac682b6965e6739d by Gilles Caulier.
Committed on 25/05/2013 at 11:45.
Pushed by cgilles into branch 'master'.

fix exposure correction range. Check if shift adjustement id >= 1.0 to enable
highlight compression or not

M  +4    -3    CMakeLists.txt
M  +19   -7    libkdcraw/dcrawsettingswidget.cpp
M  +1    -0    libkdcraw/dcrawsettingswidget.h
M  +2    -1    libkdcraw/rawdecodingsettings.h

http://commits.kde.org/libkdcraw/fe048577c7032378ae797ae3ac682b6965e6739d

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